Thanks for the bug report. Please try booting an older v5.4 kernel if you still have it. You can get to the boot menu by tapping Esc just before Ubuntu starts.
If booting an old 5.4 kernel does not fix the problem then please also try some older and newer kernels from https://kernel.ubuntu.com/~kernel- ppa/mainline/?C=M;O=D ** Tags added: regression-release ** Package changed: gnome-control-center (Ubuntu) => linux-signed- hwe-5.8 (Ubuntu) ** Changed in: linux-signed-hwe-5.8 (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1918066 Title: following recent automatic update on 20.04.2lts I now have no sound on my system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1918066/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs